6 Signs You’re Low on B12—and What Foods Can Help You Bounce Back
1. Persistent Fatigue That Doesn’t Go Away 1. Persistent Fatigue That Doesn’t Go Away (image credits: wikimedia) Feeling tired all the time—even after a full night’s sleep—can be more than just a sign of a busy lifestyle. According to the National Institutes of Health (NIH, 2024), vitamin B12 deficiency is one of the leading causes of unexplained chronic fatigue in people under 50. The reason is simple: B12 is crucial for red blood cell production, which transports oxygen throughout your body. Without enough B12, your cells are literally starved for oxygen, leaving you exhausted. In a 2024 Mayo Clinic report, … Read more






